Friday, October 22, 2021

What is HTTP and HTTPS – HyperText Transfer Protocol (Secure)

What is HTTP and how it works?

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HTTP stands for HyperText Transfer Protocol. It is a layer that allows client and server communication, it allows the transfer of data between devices that are connected to the network.

The basic structure of the communication is that – client ( typically called a user) sends some request to the server and in response to that request, the server sends a response message or information.

The main function of HTTPS – When a user sends some request on the web browser the server sends back some data or information in the form of web pages.

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HTTP follows application layer protocol which has some rules and regulations that allow browsers and servers to communicate with each other.

What type of data can HTTP transfer?

HTTP can be used to transfer data in the form of audio, video, text, hypertext, etc. It can be used to post data to the server in the form of HTML and can update the web pages whenever needed.

How much data can HTTP send?

The limit of the data that can be sent over HTTP is not specified. However, it can be limit by the server or the technology used to process data.

How does HTTP get work?

HTTP follows request and response protocol, HTTP transmits hypertext messages between the client and server which gives a way to the users to interact with web resources.

Advantages of HTTP

  • HTTP uses fewer simultaneous connections which lowes the memory and CPU usage.
  • HTTP uses fewer TCP connections which helps to reduce network cogging.
  • Low latency on requests.
  • Request and response are pipelined.

What is HTTPS?

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HTTPS stands for HyperText Transfer Protocol Secure. It helps to secure sensitive information like passwords, credit card numbers, etc. on websites.

HTTP is not always secure, data is not encrypted while transferring between client and server. If anyone tries to attack data during the transfer process, then data can be exposed.

If anyone tries to attack data that transfer over HTTPS, they cannot read the data, as the data is already encrypted.

Is HTTPS totally safe?

Websites that are not secured by HTTPS are vulnerable to cyberattacks, which may lead to website performance issues, accessibility prevention, or compromise your customer’s data. So, before entering your sensitive information into any website, check if the website is secured by HTTPS or not. However, HTTPS does not ensure the full security of your data on any website. Some hackers may get into your encrypted data as well.

How do I encrypt and secure a website using HTTPS?

To encrypt data using HTTPS, you need to install SSL/TLS certificate on your website. SSL/TLS certificate may be offered by your web hosting provider or you may need to install it directly from certificate authorities (Let’s Encrypt).

There are various types of web servers, and all these servers follow the different processes of installing SSL/TLS certificates.

If you are using managed hosting for your website, then the service provider may provide one-click installation and if you are using a dedicated server for your website then, you need some basic understanding of programming or Linux OS to install and manage SSL/TLS certificate.

Can a HTTPS website be unsafe?

The straightforward answer to this question is YES. HTTPS does not ensure that you are fully secured. Websites can be fully cloned with minor changes in URL, that can be used to collect user’s data. HTTPS only secures data between user and server, it does not know what the data is being served on websites. The website may contain viruses or malicious content.

Advantages of HTTPS

  • Secure data during client-server communication.
  • Protects your data from phishing.
  • Improves search engine ranking.
  • Buils website visitors trust.
  • Removes “Not Secure” warning from website

Conclusion

So this is all about HTTP and HTTPS, I hope you understand the basic idea behind HTTP and HTTPS. HTTP allows the transfer of data between client and server typically called client-server communication whereas HTTPS adds a secured layer(SSL/TLS) to its communication process. HTTPS is more secure than HTTP via encryption of data between client-server.

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